Nozzle valve



y 1950 c. E. HAWK ET AL 2 ,515,085

NOZZLE VALVE Filed Nov. 18, 1946 2 Sheets-Sheet 1 INVENTOR. CARSON E. HAWK KENNETH J. WALKER 8/4415 MM L ATTORNEYS y 1950 c. E. HAWK ETAL 2,515,085

NOZZLE VALVE Filed Nov. 18, 1946 2 Sheets-Sheet 2 INVENTOR. CARSON E. HAWK KENNETH J. WALKER MMQ Patented July 11, 1950 U NITED STAT ES PATENT O F F I CE Walker, Temple City, Calif, assignors to Aeroijet Engineering Corporation, Azusa, Calif., a

corporation of Delaware Application November 18, 1946, SerialN'o. 7 10524 7 Claims.

This-invention relatestofilling systems andhas for its: object toprovide a nozzle. valve which can be'usediin a closed filling system..

It is a common practice: to fill tanks: and: receptacles through a filling conduit forming a nozzle. many cases; especially when-the tank isr being filled with dangerous; or corrosive'fluids, damage may result from fact that some of the fluid willlsplash out. through the vent or over.- flow from the tank or will leak or run out from the filling nozzlelor tank: when itis removed;

In United. States Patent 2;401 124 issued to Kenneth James Walker and Carson El. a valve is" shown which: is capable of. overcoming manyof thesedifiiculti'esi In many instances, however, and particularly in"v the case of? airplane gas tanks, itis desirable to be able to fill the-tank from the bottom thereof, that is,, by upward injectiom while avoiding the undesirable overflowing, spilling and splashing or the like.

In. accordance; with; our present invention, we provide a valve which is an improvementover the valve of patent 2,401,124, and is capable of filling a tank from: any'desired tank: location, either. top or bottom or at the side, without the undesired spilling, splashing or" overflowing the tan-k,

The above contemplated o-bj ectis accomplished according to our invention bythe. provision ofa nozzle or valve provided with a chargin system and an automatic: venting; system, sealed from each other but associated together inv the,- single valve body; In conjunction; with the aforementioned; system, there is provided Within the valve structuremeans whereby both may be simultaneousl-y'sealedfrom the tank; tobe filled and from the supply and vent lines associated with the valve;

For the filling" of tanks by upward injection, there is providedzinconjunction withiand inaddition' to the above described valve a receptacle member to bev permanentlyraffixed: tothe tank; This receptacle member is, provided with outlet and inlet lines projecting therefrom. to appropriateposltions within-'thetank, as hereinatter more fully disclosed andsuitably ailixed tothe valve receptacle so as to function in, cooperative relationshipwith the: corresponding systems within the valve itself upon the insertion. of; the latter into the receptacle;

As an alternative adaptatiom of the valve re.- cepacle and the:- valve inserted therein they may both belef tim association with-'theitanls. In'such instance the filling oi? the t'anlctinvolves only the attachment of the inlet andaventiiaesrto thavalve followed: by the; normal filling; procedure as hereinafter more fully described.

The foregoing; and other features, advantages and applications of our invention will bebetter understood. from the following; detailed deSCIliprtion: and: the; accompanying drawings of which:

Fig. l is a crosssectionalview of a nozzlevalve in association with a valve receptacle in a-.tank-, in accordance with our inventiomthenozzle valve being located: at the'upper side of the tank;

Fig. 2 isa front elevation of the-valve partly in section with the controllin tap member in the position it assumes when the valve is closed;

Fig. 3 is aside elevation of the inletportvshown afliX'ed to: the lower: portion of the slidable sleeve in Figs. 1' and-2'.

Fig. 4 is asection view takenalong the llne t-J of-Fig. 1; and

Fig. 5 is a sectional view" of a liquid storage tank, illustrating an arrangement of, inlet: and vent-lines. arranged atthe under side of the" tank for bottom. filling and their relationship to the valve receptacle member affixed to the tank bot.- tom.

The valve? shown in Fig. 1 comprises a. body portion I containing two passageways 2 and- 3, leading from inlet couplings t: and 5 respectively through the-valve. Suitabletubes are adapted. to be connected to the couplings; 4 and: 5 from the fluid supply tank.

The valve of bod-y 1 comprises, in addition to the two passageways 2 and 3; the; housing member- I', from which there projects either direction at right angles to the line of entry of the passageways 2 and 3 into. the housing; 1, tubular members 8: and 9; the tubular member 9 being of somewhat larger inside dimension than the tubular member-8L A slidable-sleeve i0 isdisposed within the valve traversing the interior thereof from the upper tubular member 8.- through. the housing I- and through the lower tubular. nsember 9. Byvirtue of the fact that the insidedimensions of:v the lower tubular member 9 are somewhat larger than the inside dimensions of the member '8, the slidable sleeve l0 forms with the upper member 8' a. snug seal; and forms with the lower member 9 an annular space H' utilized as hereinafter set forth. The lower member, 9 terminates in a flange l2 upon which is supported the holding ferrule 3. The ferrule literminates at its lower endlin suitable threadin adaptedito engage the corresponding threading in. a liquid storagetank' or in the. receptacle member of the invention hereinafter described. 1

At thelower end of the-slidablelsleeve Hi there is affixed a tubular member I4 of somewhat larger external dimensions than the sleeve IE! so that the member I 4 will, on being retracted within the tubular member 9, engage the walls thereof to form an eifective seal aided by the compression gaskets or rings I5 and I6. As shown in Fig. l, the slidable sleeve I0 is in such a position as to place the member I4 below the bottom end of the tubular member 9 so as to permit the passage of y any liquid in the tubular sleeve ID out the port I? in the member M. It is also apparent that if the member I4 were retracted within the tubular posed over the upwardly extending tubular mem-v I ber 8, there is a cap I8, which comprises acylindrical member closed at the upper end and enclosing the upper portion of the upwardly extending tubular member 8. The upper end of the tubular sleeve I0 is aflixed to'the cap I8 by suitable connecting means such as the bolt I9. In Fig. 1, the cap is shown so positioned with relation to the member 8 as to displace the member M from the lower end of the member 9. As hereinafter described with relation to Fig. 2, the cap member may be raised so as just barely to enclose the upper portion of the member 8, whereby the tuthe free flowing of liquid from the passageway 3 4 ing the free space in the housing 32 from the port I! in the member I4 may flow through suitable ports or holes provided in the inlet line 34, and excess fluid in the tank, after the filling operation is complete, will flow through the vent line 35 into the annular space II and out the passageway 2 as hereinbefore described. "f

In Fig. 2 the valve isshown in front elevation and there may be seen the housing I, the two cylindrical members 8 and 9 projecting therefrom, the holding ferrule I3 and the threaded portion 33 of the receptacle member 30. The tubular extensions 8 and 9 are attached to the housing I by the bolts 38 and 39 which project from the flanged portion of the tubular member 8 through the housing I into the flanged portion of the tubular member 9: p

In Fig. 2 the cap I8 is shown in its upper position at the upper end of the tubular member 8,

into the sleeve III. As shown in Fig. 1, the ports 2D and 2| are adjacent the opening of the passageway 3. As above described, the slidable sleeve Ill 1 may be raised from the position shown in Fig. l by lifting the cap I8 so as substantially to expose the outer walls of the tubular member 8. If the sleeve I0 i so lifted within the valve, not only will the port I! be raised or retracted into the member 9, but the ports 20 and 2i will be retracted into the member 8 preventing the passage of any liquid from the passageway 3 into the tube It. Further,

by the provision of the O-rings 22 and 23, the passage of any liquid downwardly into the annular space II or into the companion passageway 2 is likewise prevented. At the point of entrance of i the passageway 2 into the housing I, there is provided a circumferential space 26 to permit the free flow of fluid from the annular space II into the passageway 2. In this way the fluid flows the opening provided at the lower part of the valve when the member I4 is displaced from in the tubular member 9, and then into passageway 2. In. Fig. 1 there is also shown a companion re- 'ceptacle member 30 which may be afiixed within the tank wall 3|. The receptacle 3t comprises a housing 32 afiixed' to a threaded member 33 which is in turn attached to the tank wall 3!. The tubular member I!) and the member I4 attached thereto will extend into member 30 when the cap I8 is in the position shown in Fig. l.

Inlet line 34 and vent line 35 are'provided entering receptacle member 30 whereby fluid enterexposing the greater portion of that member to view. A pin 36 projects from the tubular member 8 and the cap I8 is provided with a groove3l adapted to engage the pin 36.' Thus in Fig. 1 it is seen that the cap I8 has been forced downwardly and the pin 36 is in engagement with the upper horizontal section of the groove 31. In Fig; 2 the cap-has been raised and the pin 36 is engaging the lower portion of the groove 31. By rotating the cap I8 in Fig. 2 in a clockwise direction, the groove 3'! will be displaced in such a fashion that 13111 38 will engage the outer extremity of the lower horizontal portion'of the groove 31 and will prevent downward motion of the cap l8 until the same is rotated in counterclockwise motion to permit the pin 36 to ride in the vertical portion of the groove 31.

In Fig. 3 there is shown a side elevation of the member I4 provided with the port II, the member on either side of the port I! being recessed to provide space for the gaskets I5 and I6 as illustrated in Fig. 1. The lower end of the tubular sleeve It fits into the upper end of the member I4 as shown in Fig. 1.

In Fig. 4 there is shown a sectional view taken on the line 44 of Fig. 1 showing the ports 20 and 2| in the tubular sleeve Ii].

In Fig. 5 there is shown across sectional view of a liquid storage tank 40 with the receptacle member 36 disposed therein in a position ready for usage in the filling of the tank 40. Projecting from the housing 32 is' the inlet line 34 which is extended to a point relatively close to the top of the tank 40. The height of the inlet line 34 in the tank 40 will of course control the level to which the tank may be filled. Projecting also from the receptacle member 30 is the vent line 35 which is likewise extended to a position relatively close to the upper wall of the tank but short of the point to which the inlet line 34 is extended.

A baflie 21 attached to the upper wall 3| of tank 40 projects between the inlet line 34 and the vent line 35 and serves to prevent the fluid coming from line 34 from splashing in the vent line 35 before the tank is filled.

In the filling by upward injection of a liquid storage tank, such as tank 40 shown in' Fig. 5, the valve as shown in Fig. 1 is screwed into the receptacle member 30 while the cap is in the raised position shown in Fig. 2, thereby sealing both the outlet and inlet systems from the tank and from the outlet and vent couplings 4 and 5.

After attachment of the nozzle to the receptacle member is complete and after afiixing suitable inlet and vent lines from the couplings 4 and 5 of the valve to the liquid supply tank, the cap I8 I in -in a receptacle to be'fllled', comprising a cen- 1 tral conduit'having an exit port adapted to carry the fluid from said receptacle, a retractable sleeve positioned within said conduit and spaced therefrom to provide an annular passage between the conduit and the sleeve, said annular passage be- 1 ing in communication with said exit port, an inlet port in communication with said conduit, ports provided in'said sleeve adapted to be placed in communication with said inlet .port, means for preventing the passage of liquid from said annular space to said inlet port and means for re tracting said retractable sleeve so as to prevent the passage of liquid from said receptacle into said annular space and from said inlet port into said retractable sleeve.

3. Apparatus for filling with fluid a tank having an inlet tube and a vent tube positioned within said tank, said apparatus comprising means insertable in said tank and adapted to be in comand providing a space around the sleeve providing communication between the vent tube and the storage tank, said sleeve being retractable in the valve so that the wall of the sleeve in cooperation with a wall of the valve shuts off the flow of liquid in said passageways.

4. Apparatus for filling with fluid a tank having an inlet tube and a vent tube positioned within said tank, said apparatus comprising means insertable in said tank and adapted to be in communication with the outer opening of saidinlet tube and said vent tube, said last named means comprising a valve member comprising a passageway for fluid to be introduced to said tank, an associated but separate passageway for fluid to be withdrawn from said tank, inlet meansin association with the first of said passageways to introduce fluid thereto, outlet means in association with the second of said passageways to withdraw fluid therefrom, and means for simultaneously shutting oil? the flow of fluid through each of said passageways, said last-named means comprising a sleeve in said valve member, said sleeve i being hollow to provide communication between said inlet tube and the storage tank and providing a space around the sleeve providing communication between the vent tube and the storage tank, said sleeve being retractable in the valve member so that the wall of the sleeve in coopereration with a wall of the valve shuts off said flow of fluid in said passageways.

5. Apparatus for filling with fluid a tank having an inlet tube and a vent tube positioned within said tank, said apparatus comprising means insertable in said tank and adapted to be in communication with the outer opening of said inlet tube and said vent tube, said last named means comprising a valve member comprising a central conduit having an exit port adapted to carry said fluid from said receptacle, a retractable sleeve positioned within said conduit and spaced therefrom to provide an annular passage between said c nduit and the sleeve, said annular passage bein in communication with said exit port, an inlet port in communication with said conduit, ports provided in said sleeve adapted to be placed in communication with said inlet ports, meansfor preventing the passage of liquid from said annular space to said inlet port and means for retracting said retractable sleeve so as to prevent the passage of liquid from said receptacle sleeve into said annular space and from said inlet port into said retractable sleeve. 1

6. Apparatus for filling with fluid a tank ha ing an inlet tube and a vent tube positioned within said tank, said apparatus comprising means insertable in said tank and adapted to be in communication with the outer opening of said inlet tube and said vent tube, said last named means comprising a tubular member provided with means for engaging the receptacle into which said fluid is to be injected, said tubular member being of substantially greater internal dimension throughout a portion of its length terminating in said engaging means than at the other end thereof, a slidable sleeve disposed within said tubular member, said slidable sleeve being proportioned to fit snugly within that portion of said tubular member having the smallest dimene sion and to provide an annular passageway with that portion of said tubular member having the largest dimension, a cylindrical cap member closed at one end and adapted to circumscribe the smaller of said ends of said tubular member in slidable relationship, means for fixing said cap member to said sleeve, 2. port member aflixed to the lower end of said sleeve, said port member being of such external dimensions as to fit snugly within said larger portion of said tubular member when said portmember is disposed therein and being provided with a hole communicating between said tubular sleeve and the atmosphere, the tubular sleeve being provided in addition with a pair of diametrically opposite ports adjacent the point of union of an inlet means to said tubular member and a vent means adjoining said tubular member at a point directly beneath the inlet tube and adapted to communicate with the annular space between said sleeve and the larger portion of said tubular member. I

7. A fluid nozzle adapted to be fitted to. an opening in a receptacle to be filled, said nozzle comprising a passageway for fluid to be introduced to said receptacle, an associated but sepa-v rate passageway for fluid to be withdrawnv from said receptacle, inlet means in association with the first of said passageways to introduce fluid thereto, outlet means in association with the second of said passageways to withdraw fluid therefrom and means for simultaneously shutting off the flow of fluid through each of said passageways, said last-named means comprising a re.- ciprocating cap member affixed to an internal retractable sleeve separating said passageways from each other, whereby said internal retractable sleeve may be raised or lowered within said nozzle to control the fluid flow from said inlet means and from said outlet means.

' CARSON E. HAWK.

KENNETH J. WALKER.

REFERENCES CITED The following, references are of record in the file of this patent:

FOREIGN PATENTS Number Country Date 487,827 Germany Nov. 28, 1929 427,441 France Aug. 3, 1911 

